{ "id": "2010.09910", "version": "v1", "published": "2020-10-19T22:56:33.000Z", "updated": "2020-10-19T22:56:33.000Z", "title": "Families of polynomials of every degree with no rational preperiodic points", "authors": [ "Mohammad Sadek" ], "categories": [ "math.NT", "math.DS" ], "abstract": "Let $K$ be a number field. Given a polynomial $f(x)\\in K[x]$ of degree $d\\ge 2$, it is conjectured that the number of preperiodic points of $f$ is bounded by a uniform bound that depends only on $d$ and $[K:\\mathbb Q]$. However, the only examples of parametric families of polynomials with no preperiodic points are known when $d$ is divisible by either $2$ or $3$ and $K=\\mathbb Q$. In this article, given any integer $d\\ge 2$, we display infinitely many parametric families of polynomials of the form $f_t(x)=x^d+c(t)$, $c(t)\\in K(t)$, with no rational preperiodic points for any $t\\in K$.", "revisions": [ { "version": "v1", "updated": "2020-10-19T22:56:33.000Z" } ], "analyses": { "keywords": [ "rational preperiodic points", "polynomial", "parametric families", "number field", "uniform bound" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }